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648 E Mariposa St, Altadena
APN 5840-011-001 · map page 5840-011
A 6,792 sq ft vacant residential lot at 648 E Mariposa St in Altadena, Los Angeles County (APN 5840-011-001). It burned in the Eaton Fire (2025). It is not in a CAL FIRE hazard zone and outside the FEMA flood zone (zone X). It is zoned R-1-10000 (single-family residence) by Los Angeles County. It is assessed at $450,000, with a yearly tax bill of $4,342. Property taxes are not in default.
Risk Assessment
Flood
Zone X — AREA OF MINIMAL FLOOD HAZARD
Outside flood zone
Low Risk
Fire
CAL FIRE hazard severity zone
None
Low Risk
Past Fires
1 mapped fire since 2025
Eaton Fire, 2025
High Risk
Property Details
- APN
- 5840-011-001
- Area
- Altadena, Los Angeles County
- Zoning
- R-1-10000 · Single-Family Residence
- Assessor Use
- Single (010V)
Solar
4,446 hrs/yr
Excellent
Weather & Climate
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Taxes
- Tax Status
- Current
- Yearly Tax Bill
- $4,342
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $17,947 | $0 | $17,947 |
| 2024 | $27,068 | $40,026 | $67,094 |
| 2023 | $26,538 | $39,242 | $65,780 |
| 2022 | $26,018 | $38,473 | $64,491 |
| 2021 | $25,508 | $37,719 | $63,227 |
| 2020 | $25,247 | $37,333 | $62,580 |
| 2019 | $24,752 | $36,601 | $61,353 |
| 2018 | $24,267 | $35,884 | $60,151 |
| 2017 | $23,792 | $35,181 | $58,973 |
| 2016 | $23,326 | $34,492 | $57,818 |
Owner
Who owns this land?
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Full parcel report · $29
Can you build on it, how do you reach it, and what is it worth? Flood, fire, slope, road access, tax history and nearby sales in one report.
Official record: county assessor